SMS non-woven fabric SMS non-woven ’s raw material is polypropylene fiber, it’s hot rolled by three layers: spun-bond non-woven, melt-blown non-woven and spun-bond non-woven. It belongs to composite non-woven fabric. SMS non-woven is non-toxic and tasteless and high efficiency bacterial isolation. SMS non-woven can achieve those properties: anti-static, anti-alcohol, anti-plasma, water-repellent and water-producing when it goes through special treatment of the equipment. 1. Light weight Its raw material is polypropylene fiber, and the weight of it is cotton’s 3/5. it’s with fluffiness and good feeling. 2. Soft It is formed by hot melt bonding of fine fiber. So the finished product is soft. 3. Breathable Polypropylene slice does not absorb water, the moisture content is zero. It’s composed of fiber so it’s with porous and good air permeability. SMS non-woven is easy to keep the cloth dry and easy to wash. 4. Non-toxic and non-irritating The product is produced with FDA food grade raw materials, without chemical components, stable performance, non-toxic, odorless and does not irritate the skin. 5. Antibacterial and anti-chemical agents Polypropylene is a chemically inert substance that can isolate the erosion of bacteria and insects in the liquid. The finished products do not affect the strength due to erosion. Thin SMS non-woven fabric (10-25gsm), because of its waterproof and breathable, especially suitable for the hygienic market, such as use as the anti-leakage edge and back lining of sanitary napkins, sanitary pads, baby diapers, adult diapers.
Read MoreWhat’s SAP? SAP is capable of absorbing and retaining the liquid Until the 1980s, the absorbent materials were cellulose or fibre-based products, including cotton paper, cotton, sponges and fluff. These materials’ water retention rate 20 times their own weight at most. In the early of 1960s, United States Department of Agriculture conducts research on materials to improve soil water retention. They developed resins based on polymers grafted onto the backbone of starch molecules. Starch acrylonitrile copolymer hydrolyzed products can absorb more than 400 times the dead weight of water. This kind of macromolecule is called Superabsorbent polymers(SAP). SAP belongs to hydrogel, it can absorb the solution through hydrogen bonds with water molecules. So the water absorption capacity of SAP is affected by the ionic concentration of solution. After absorbing water, it will swell into a gel state, the absorbed water is trapped in the polymer. So it has the ability of absorbing water and also not so easy to release water. SAP (Superabsorbent polymers) is a novel functional polymer material capable of absorbing and retaining a liquid of much greater mass relative to its own. SAP is widely used. It can retain water when add to the soil. It can adjust and retain moisture when use for planting flowers, vegetables, seedlings. It can be used for suction surgery and trauma hemostasis when make into bandage, cotton ball, gauze, sponge. it can be used as the wrapping paper for fruits and vegetable retain freshness and moisture preservation. It can improve the properties of cement prefabricate when mixed with cement mortar. The biggest usage of SAP is in personal sanitary products. SAP can add paper pulp to make super absorbent paper, which can be used as woman’s sanitary napkins, children’s or adult’s diapers. Sinbao SAP can absorb the liquid and retain the liquid and is not easy to release the liquid, it help people to keep the body clean and dry.
Read MoreSanitary napkins’ basic structure and material selection Basic structure Sanitary napkins mainly include surface layer, absorption core and bottom layer. Each layer’s material is bonding with hot melt glue. The bottom layer is non-woven fabric, which is soft material. Inward is a layer of leak-proof film (made of waterproof paper or polyethylene film). Then inside is the hygienic paper wrapped with polymer water absorption agent of the fluff pulp, which constitutes a strong absorber. Once menstrual blood infiltrated into this layer, will be firmly attached, not reversed or scattered. There is pressure sensitive tape (adhesive sticker) on the back of sanitary napkin, which is lined with the release paper. When use it, just remove the release paper and then put the tape on the underwear to prevent slipping. Material selection According to the structure of sanitary napkins, the selection should be considered from the materials and functions of the three layers. The surface layer with dry mesh surface funnel type is appropriate, dry surface can make local skin away from the damp, the infiltrated liquid is not easy to reflux. The absorption layer is suitable for breathable and containing high effective gel layer. Sanitary napkins with high effective gel layer can congeal the infiltrating liquid to jelly, not flow back after pressing, and you won't feel sticky on the surface. The bottom layer is appropriate made of breathable material, it can make the water molecules go through smoothly, which play the role of timely removing the moisture. It can effectively reduce the damp and sultry between sanitary napkin and the body which keep the body dry and fresh.
Read MoreAs public consumption has increased, as well as the higher requirements for fabrics such as light weight, comfortable fit, soft texture,etc. The demand for low-density spandex fabrics has continued to grow. Currently, China is the world's largest producer of spandex. Because it’s one of the main materials of mask belt, it was a trend in short supply in 2020. Spandex is shortened form polyurethane(PU) fiber, it is polymerized by PTMEG and MDI. Spandex is a kind of elastic fibers, belongs to synthetic fibers and it has the best elasticity. It can stretch six to seven times, but with the disappearance of tension can quickly return to the initial state. Spandex is modern clothing materials as well as can be made garment materials. Outside the elastane filament yarns warp staple yarns, is called spandex core - spun yarns. The elastic fabric used this kind of yarns to weave is comfortable, suitable and high elastic. It known as the second skin of human body. Spandex is also used in hygiene materials’ elastic part. Hygiene spandex has replaced the traditional rubber material to provide unique styles for hygiene design. Use it at the baby diapers, it will let babies fell comfort, fitness and fell free to move. Along with diversified demand of spandex, the industry ushered diversity development. The research and development of various functional spandex is expected to further enhance the competitiveness of enterprises. In the background of the spandex industry’s diversity development, the potential development of spandex industry will be greater in the future.
Read MoreStandard wet wipes packaging film is made of several layers of various polymers, usually PE and PET, as well as materials that prevent moisture transfer. A layer of aluminum and paper is also sometimes added. The advantages of the wet wipe packing film are as follows. Firstly, It wraps the goods stacked on the pallet, making the packaging more stable and clean. And it is close to the wet wipe that makes the package beautiful in appearance. Secondly, to ensure the hygiene , safety and other aspects of wet wipes. It has the functions of tightness, firmness, dust prevention, waterproof, etc. Thirdly, It is with puncture resistance and super strength and high performance. It is widely used in foreign trade and export, food, medicine and other industries.
Read MoreWet wipes as a modern disposable sanitary products, it's still a vacant part in market. Wet wipes are easy to carry and have a high cleanliness. Since the epidemic, wet wipes have attracted the attention of people, with a particularly high usage rate. This directly influenced the development of wet wipes producing industry. But how can increase the production rate of wet wipes efficiently and meet the need of the market? This requires an efficient, stable and professional machine equipment to produce wet wipes. Automatic wet wipes production line can automatically complete the wet wipes’ folding, cutting, spraying, slitting, bag making, sealing, technology, printing, finished product output and other procedures. Sinbao can provide high speed or medium speed wet wipes production line to meet different needs. With good wet wipes machine equipment, it can improve the production of wet wipes and determine the quality of the wet wipes, and determine the profits of the enterprise. So when choose the machine equipment of wet wipes, you should shop around and have on-the-spot investigation. Buy it from regular manufacturers.
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